Home / 127,748.34-176,290.43-71,158.50

Finding the Fourth Proportional to 127,748.34, 176,290.43 and 71,158.50

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Solution

The fourth proportional to 127,748.34, 176,290.43 and 71,158.50 is: 98,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,748.34 : 176,290.43 = 71,158.50 : x
  2. Step 2: Convert to fraction form
    127,748.34/176,290.43 = 71,158.50/x
  3. Step 3: Cross multiply
    127,748.34x = 176,290.43 × 71,158.50
  4. Step 4: Simplify right side
    127,748.34x = 12,544,562,207.36
  5. Step 5: Solve for x
    x = 12,544,562,207.36/127,748.34
  6. Step 6: Final answer
    x = 98,197.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.